What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 18.86°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

65.9

°F

May 11, 16:15

Trend:

stable

Yesterday:

66.3°F

Tomorrow:

66.5°F

Sunrise:

05:21

Sunset:

19:08

Day Length:

13 h. 47 min.

Fukuoka in May

Minimum:

57.4°F

Average:

58.8°F

Maximum:

61.1°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 65.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.8°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.3°F on 2022, while the historical minimum was 63.3°F on 2016.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 66.9°F, with minimum temperature starting at 66.4°F, while the maximum might reach 67.8°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Apr 27	62.2°F	61.6°F	61.4°F
Apr 28	62.2°F	61.7°F	61.6°F
Apr 29	62.2°F	61.1°F	62.0°F
Apr 30	62.0°F	62.1°F	62.1°F
May 1	63.2°F	63.0°F	62.6°F
May 2	63.3°F	62.7°F	62.7°F
May 3	63.8°F	61.4°F	62.7°F
May 4	63.3°F	61.8°F	63.1°F
May 5	62.7°F	61.9°F	63.3°F
May 6	64.1°F	62.3°F	63.6°F
May 7	66.2°F	62.6°F	64.2°F
May 8	67.1°F	62.9°F	64.5°F
May 9	66.7°F	63.1°F	64.4°F
May 10	66.3°F	63.1°F	64.4°F
May 11	65.9°F	62.7°F	64.1°F
May 12	66.5°F	63.3°F	64.7°F
May 13	66.4°F	63.5°F	64.5°F
May 14	66.4°F	63.7°F	64.6°F
May 15	66.7°F	64.2°F	64.9°F
May 16	67.2°F	64.2°F	65.3°F
May 17	67.2°F	64.2°F	65.4°F
May 18	67.8°F	64.3°F	66.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.2°F in Spring, 77.8°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	64.0°F	30mi
Shimonoseki	63.2°F	39mi
Kumamoto	66.9°F	57mi
Nagasaki	66.7°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka